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Finding the Fourth Proportional to 163,012.50, 224,880.71 and 115,292.16

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Solution

The fourth proportional to 163,012.50, 224,880.71 and 115,292.16 is: 159,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,012.50 : 224,880.71 = 115,292.16 : x
  2. Step 2: Convert to fraction form
    163,012.50/224,880.71 = 115,292.16/x
  3. Step 3: Cross multiply
    163,012.50x = 224,880.71 × 115,292.16
  4. Step 4: Simplify right side
    163,012.50x = 25,926,982,221.77
  5. Step 5: Solve for x
    x = 25,926,982,221.77/163,012.50
  6. Step 6: Final answer
    x = 159,049.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.